Development of an IoT-Based Indoor Air Quality Monitoring Platform

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Specification</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Instruction set</td><td class="align_center">ARM Coretex-M4 (32-bit)</td></tr><tr><td class="align_left">Flash memory</td><td class="align_center">1024 Kbytes</td></tr><tr><td class="align_left">SRAM (system)</td><td class="align_center">192 Kbytes</td></tr><tr><td class="align_left">SRAM (system)</td><td class="align_center">4 Kbytes</td></tr><tr><td class="align_left">12-bit ADC number of channels</td><td class="align_center">24</td></tr><tr><td class="align_left">12-bit DAC number of channels</td><td class="align_center">2</td></tr><tr><td class="align_left">Maximum CPU frequency</td><td class="align_center">168 MHz</td></tr><tr><td class="align_left">Operating voltage</td><td class="align_center">1.8 V to 3.6 V</td></tr><tr><td class="align_left">Operating temperature range</td><td class="align_center">-40 to 125 Celsius</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Specifications of the STM 32 F407IG microcontroller.</div>

Journal of Sensors

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Table 1

Table 1: Development of an IoT-Based Indoor Air Quality Monitoring Platform 